What does the nucleus of an atom do to its own electrons? To the electrons of a nearby atom?

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Compare and contrast physical changes with chemical changes.

Hey can you me with this i really need y’all